Pyrimethamine: Difference between revisions

(Created page with "''Note: As of 2015, pyrimethamine is only available in the US through a special pharmacy program''<ref>https://aidsinfo.nih.gov/news/1604/notice-of-availability-of-pyrimethami...")
 
 
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''Note: As of 2015, pyrimethamine is only available in the US through a special pharmacy program''<ref>https://aidsinfo.nih.gov/news/1604/notice-of-availability-of-pyrimethamine</ref>
''Note: As of 2015, pyrimethamine is only available in the US through a special pharmacy program''<ref>https://aidsinfo.nih.gov/news/1604/notice-of-availability-of-pyrimethamine</ref>
==Administration==
==Administration==
*Type: Antiparasitic, indicated for treatment and prophylaxis of [[Toxoplasmosis]] and [[malaria]]
*Type: [[Antiparasitic]], indicated for treatment and prophylaxis of [[Toxoplasmosis]] and [[malaria]]
*Dosage Forms:  
*Dosage Forms:  
*Routes of Administration: Oral
*Routes of Administration: Oral
*Common Trade Names:  
*Common Trade Names:


==Adult Dosing==
==Adult Dosing==
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<references/>
<references/>
[[Category:Pharmacology]]
[[Category:Pharmacology]]
[[Category:ID]]

Latest revision as of 22:11, 23 September 2019

Note: As of 2015, pyrimethamine is only available in the US through a special pharmacy program[1]

Administration

Adult Dosing

  • 25-200mg PO (weekly or daily, depending on indication), in combination with other antimicrobials

Pediatric Dosing

  • 1-3mg/kg PO

Special Populations

Contraindications

  • Allergy to class/drug
  • megaloblastic anemia due to folate deficiency

Adverse Reactions

Serious

  • SJS, TEN
  • Pancytopenia, leukopenia, thrombocytopenia, megaloblastic anemia

Common

  • Rash

Pharmacology

  • Half-life: 52-97 hours
  • Metabolism: Hepatic
  • Excretion:

Mechanism of Action

  • Blocks protozoal dihydrofolate reductase, inhibiting nucleic acid synthesis

Comments

See Also

References

Authors: